GB2177475B - Suspension systems - Google Patents

Suspension systems

Info

Publication number
GB2177475B
GB2177475B GB08614092A GB8614092A GB2177475B GB 2177475 B GB2177475 B GB 2177475B GB 08614092 A GB08614092 A GB 08614092A GB 8614092 A GB8614092 A GB 8614092A GB 2177475 B GB2177475 B GB 2177475B
Authority
GB
United Kingdom
Prior art keywords
suspension systems
suspension
systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08614092A
Other versions
GB2177475A (en
GB8614092D0 (en
Inventor
Wilfred Ward Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dunlop Ltd
Original Assignee
Dunlop Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dunlop Ltd filed Critical Dunlop Ltd
Publication of GB8614092D0 publication Critical patent/GB8614092D0/en
Publication of GB2177475A publication Critical patent/GB2177475A/en
Application granted granted Critical
Publication of GB2177475B publication Critical patent/GB2177475B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
    • F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B60G17/01933—Velocity, e.g. relative velocity-displacement sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/152—Pneumatic spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/412—Pneumatic actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/11—Mounting of sensors thereon
    • B60G2204/111—Mounting of sensors thereon on pneumatic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B60G2400/252—Stroke; Height; Displacement vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/60—Load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/15—Doppler effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/17—Magnetic/Electromagnetic
    • B60G2401/176—Radio or audio sensitive means, e.g. Ultrasonic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/08—Sensor arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
GB08614092A 1985-07-02 1986-06-10 Suspension systems Expired GB2177475B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858516765A GB8516765D0 (en) 1985-07-02 1985-07-02 Suspension systems

Publications (3)

Publication Number Publication Date
GB8614092D0 GB8614092D0 (en) 1986-07-16
GB2177475A GB2177475A (en) 1987-01-21
GB2177475B true GB2177475B (en) 1988-11-23

Family

ID=10581692

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858516765A Pending GB8516765D0 (en) 1985-07-02 1985-07-02 Suspension systems
GB08614092A Expired GB2177475B (en) 1985-07-02 1986-06-10 Suspension systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858516765A Pending GB8516765D0 (en) 1985-07-02 1985-07-02 Suspension systems

Country Status (2)

Country Link
DE (1) DE3620957A1 (en)
GB (2) GB8516765D0 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923038A (en) 1986-06-05 1990-05-08 Lizell Magnus B Method and apparatus for absorbing mechanical shock
US5123671A (en) 1989-03-13 1992-06-23 Monroe Auto Equipment Company Method and apparatus for controlling shock absorbers
US5217095A (en) 1986-06-05 1993-06-08 Monroe Auto Equipment Company Method and apparatus for absorbing mechanical shock

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817922A (en) * 1987-10-23 1989-04-04 The Goodyear Tire & Rubber Company Airspring height sensor
US4798369A (en) * 1987-11-03 1989-01-17 The Firestone Tire & Rubber Company Ultrasonic air spring system
US4867475A (en) * 1988-02-16 1989-09-19 Monroe Auto Equipment Company Method and apparatus for controlling shock absorbers
US4890858A (en) * 1988-02-16 1990-01-02 Monroe Auto Equipment Company Method and apparatus for controlling shock absorbers
US4943083A (en) * 1989-03-13 1990-07-24 Monroe Auto Equipment Company Signal conditioning circuit assembly
US5000478A (en) * 1990-03-15 1991-03-19 Monroe Auto Equipment Company Shock absorber with Doppler fluid velocity sensor
US4995635A (en) * 1990-03-21 1991-02-26 Monroe Auto Equipment Company Ultrasonic Doppler velocity sensing within a hydraulic actuator
US5104144A (en) * 1990-09-25 1992-04-14 Monroe Auto Equipment Company Shock absorber with sonar position sensor
US5125681A (en) * 1990-11-26 1992-06-30 Monroe Auto Equipment Company Method and apparatus for determining the displacement of a piston within a shock absorber
US5707045A (en) * 1996-09-05 1998-01-13 Bridgestone/Firestone, Inc. Air spring system having an integral height sensor
DE19648112C1 (en) 1996-11-21 1998-03-05 Contitech Luftfedersyst Gmbh Device for contactless distance measurement
DE19700966C1 (en) * 1997-01-14 1998-04-23 Contitech Luftfedersyst Gmbh Device for contactless distance and pressure measurement in a pneumatic spring
DE19701530C1 (en) * 1997-01-17 1998-08-06 Contitech Luftfedersyst Gmbh Axial distance determination between end members of compressed gas spring for vehicle
DE19701713C1 (en) * 1997-01-20 1998-08-27 Contitech Luftfedersyst Gmbh Appliance for contactless measurement of clearance within an air spring
DE19701712C1 (en) * 1997-01-20 1998-08-27 Contitech Luftfedersyst Gmbh Appliance for contactless measurement of clearance within air spring
DE19718641B4 (en) * 1997-05-02 2008-05-29 Contitech Luftfedersysteme Gmbh Air spring measuring system with ultrasonic arrangement
DE19801054C1 (en) 1998-01-14 1999-07-29 Mannesmann Sachs Ag Piston-cylinder unit e.g. for vibration damper or shock absorber
DE19811982C5 (en) * 1998-03-19 2011-02-03 Microsonic Gesellschaft für Mikroelektronik und Ultraschalltechnik mbH Ultrasonic air spring assembly
DE19820877C2 (en) * 1998-05-09 2002-09-19 Contitech Luftfedersyst Gmbh Non-contact distance and pressure measurement within an air spring
DE19839483A1 (en) 1998-08-29 2000-03-02 Contitech Luftfedersyst Gmbh Air spring with ultrasonic height measuring device
CN1291854C (en) 2000-03-20 2006-12-27 肯迪泰克空气弹簧有限公司 Pneumatic shock-absorber with a height sensor
DE10051825A1 (en) 2000-10-19 2002-04-25 Contitech Luftfedersyst Gmbh Motor vehicle air spring system with ultrasound measuring arrangement
DE10147185A1 (en) * 2001-09-25 2003-04-24 Knorr Bremse Systeme Determination of spring height and pressure in spring elements, especially air springs, for motor vehicles
JP2005112155A (en) * 2003-10-08 2005-04-28 Hitachi Ltd Suspension device
US7490817B2 (en) 2005-01-04 2009-02-17 Bfs Diversified Products Llc Distance indicating system and method
US7364144B2 (en) 2005-04-27 2008-04-29 Bfs Diversified Products, Llc Sensing and communication system and method
US7420462B2 (en) 2006-01-23 2008-09-02 Bfs Diversified Products, Llc Air spring distance indicating system and method
DE102006017275B4 (en) * 2006-04-12 2011-01-05 Gudzulic, Miro, Dipl.-Ing. (FH) Air spring, positioning module and positioning device
US7733239B2 (en) 2006-05-08 2010-06-08 Bfs Diversified Products, Llc Distance determining system and method
FR2983573B1 (en) * 2011-12-06 2014-01-03 Areva ACOUSTIC SENSOR FOR MEASURING LINEAR DISPLACEMENT.
DE102012017274A1 (en) * 2012-08-31 2014-03-06 Wabco Gmbh Level control device on a vehicle and method for controlling the same
JP6486721B2 (en) * 2015-03-03 2019-03-20 株式会社総合車両製作所 Air spring height adjustment device for railcar bogie
GB2564676B (en) * 2017-07-19 2020-07-15 Continental Automotive Romania Srl Method for height determination in air spring suspension systems during time intervals with air turbulences
DE102018217485A1 (en) 2018-10-12 2020-04-16 Contitech Luftfedersysteme Gmbh Gas pressure spring with a device for determining the axial distance between two end members of the same
DE102019204145A1 (en) * 2019-03-26 2020-10-01 Contitech Luftfedersysteme Gmbh Air spring
DE102020201141A1 (en) 2020-01-28 2021-07-29 Continental Teves Ag & Co. Ohg Air spring with a switching valve
CN111336206B (en) * 2020-03-04 2022-02-22 科曼车辆部件系统(苏州)有限公司 Integrated air spring assembly for commercial vehicle air suspension
DE102020216447A1 (en) 2020-12-22 2022-06-23 Contitech Luftfedersysteme Gmbh Device for non-contact distance measurement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017099A (en) * 1975-06-09 1977-04-12 Monroe Auto Equipment Company Vehicle leveling system
US4054295A (en) * 1976-08-16 1977-10-18 General Motors Corporation Vehicle body support and leveler device
US4310172A (en) * 1979-04-23 1982-01-12 General Motors Corporation Position control system
US4386791A (en) * 1981-07-06 1983-06-07 Ford Motor Company Actively controlled suspension system and height sensor
JPS58174007A (en) * 1982-04-06 1983-10-13 Nissan Motor Co Ltd Regulator for height of automobile
GB2123952B (en) * 1982-06-23 1986-10-01 Univ Belfast Apparatus for and method of measuring the evenness of a surface

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923038A (en) 1986-06-05 1990-05-08 Lizell Magnus B Method and apparatus for absorbing mechanical shock
US5217095A (en) 1986-06-05 1993-06-08 Monroe Auto Equipment Company Method and apparatus for absorbing mechanical shock
US5123671A (en) 1989-03-13 1992-06-23 Monroe Auto Equipment Company Method and apparatus for controlling shock absorbers

Also Published As

Publication number Publication date
DE3620957A1 (en) 1987-01-08
GB8516765D0 (en) 1985-08-07
GB2177475A (en) 1987-01-21
GB8614092D0 (en) 1986-07-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930610